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89506 Studies found for: (NOT NOTEXT) [CITATIONS]
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Map Legend
Region Name   Number of Studies
World 89,506  
Africa   [map]   3,331  
Central America   [map]   1,283  
East Asia   [map]   8,657  
Japan 1,494   [studies]
Europe   [map]   27,516  
Middle East   [map]   3,759  
North America 40,226  
Canada   [map]   7,147   [studies]
Greenland 1   [studies]
Mexico 1,469   [studies]
United States   [map]   35,872   [studies]
North Asia   [map]   1,961  
Pacifica   [map]   2,737  
South America   [map]   4,020  
South Asia   [map]   1,716  
Southeast Asia   [map]   2,278  

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Studies with multiple locations are included in each region containing locations.